1. School of Pharmacy, West Coast University, Center of Graduate Studies, Los Angeles, CA 90004, USA
2. Bioequivalence Research Department, Zi Diligence Bio-Equivalence Center, Cairo 11571, Egypt
3. Department of Pharmaceutical Sciences, Notre Dame of Maryland University, School of Pharmacy, Baltimore, MD 21210, USA
4. Analytical Chemistry Department, Faculty of Pharmacy (For Women) Al-Azhar University, Cairo 11765, Egypt